$color:red;
div{
    width: 100px;
    height: 100px;
    background: $color;
    
    a{
        width: 10px;
        color: $color;
        &:hover{
            color: blue;
        }
        
        >span{
            display: inline-block;
            height: 10px;
        }
    }
}
